diff options
Diffstat (limited to 'lib/full-write.c')
| -rw-r--r-- | lib/full-write.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/full-write.c b/lib/full-write.c index 2a65ac5e5..aa8cff35d 100644 --- a/lib/full-write.c +++ b/lib/full-write.c @@ -34,7 +34,10 @@ extern int errno; #endif /* Write LEN bytes at PTR to descriptor DESC, retrying if interrupted. - Return LEN upon success, write's (negative) error code otherwise. */ + Return LEN upon success, write's (negative) error code otherwise. + As the name implies, this function writes all LEN bytes and returns + LEN or it fails and returns the negative value returned by the (final) + failing write. */ int full_write (desc, ptr, len) |